CN218440284U - Anti-loosening device for sealing retainer - Google Patents
Anti-loosening device for sealing retainer Download PDFInfo
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- CN218440284U CN218440284U CN202222438673.8U CN202222438673U CN218440284U CN 218440284 U CN218440284 U CN 218440284U CN 202222438673 U CN202222438673 U CN 202222438673U CN 218440284 U CN218440284 U CN 218440284U
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- sealing retainer
- taper sleeve
- bolt
- clamping groove
- retainer
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Abstract
The utility model relates to a sealing retainer anti-loosening device, which comprises a roll shaft, a sealing retainer, a taper sleeve, a roll collar and a bolt; the sealing retainer is sleeved on the roll shaft; the taper sleeve is sleeved on the roll shaft, and the roll collar is sleeved on the taper sleeve; the end part of the taper sleeve facing the sealing retainer is positioned outside the roll collar, and the end part of the taper sleeve extends into the annular groove of the sealing retainer; the periphery of the end part of the taper sleeve is provided with a clamping groove, the sealing retainer is provided with a radially extending internal threaded hole opposite to the clamping groove in the radial direction, and the bolt is configured to be installed in the internal threaded hole until being in plug-in fit with the clamping groove. When the sealing retainer is installed, the sealing retainer is rotated to a single hand by a light wrench and is not screwed, then the sealing retainer is rotated to enable an internal thread hole on the sealing retainer to align to a clamping groove on a taper sleeve, the bolt is installed into the internal thread hole until the bolt is in plug-in fit with the clamping groove, and the bolt is screwed down. The utility model discloses can show the probability that reduces sealed holder pine and take off.
Description
Technical Field
The utility model belongs to the technical field of collars, roller box installation, concretely relates to locking release of sealed holder.
Background
In a reducing sizing mill set, in order to prevent cooling water of a roll collar from entering a roll box bearing, a seal retainer is required to be arranged on a roll shaft for installing V-shaped seal water proofing.
The existing installation mode of the sealing retainer is as follows: the roller shaft is connected with the roller shaft through threads, and is anti-loose through applying large pretightening force. The connecting mode has high working strength, requires more than 2 persons to operate by a heavy wrench, has poor anti-loosening effect, and has an average failure rate of 9 times per year due to loosening of the retainer in production.
Once the retainer is loosened, the roller box must be replaced, if the roller box cannot be found in time, the roller shaft can be scrapped, the roller ring can be cracked, and the batch defective products can be caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a locking take-off of sealed holder can effectively reduce the probability that sealed holder pine takes off.
To achieve the purpose, the utility model adopts the following technical proposal:
a sealing retainer anti-loosening device comprises a roll shaft, a sealing retainer, a taper sleeve, a roll collar and a bolt;
the sealing retainer is sleeved on the roll shaft; the taper sleeve is sleeved on the roll shaft, and the roll collar is sleeved on the taper sleeve; the end part of the taper sleeve facing the sealing retainer is positioned outside the roller ring, and the end part of the taper sleeve extends into the annular groove of the sealing retainer;
the outer periphery of the end part of the taper sleeve is provided with a clamping groove, the sealing retainer is provided with a radially extending internal thread hole which is opposite to the clamping groove in the radial direction, and the bolt is configured to be installed in the internal thread hole until being in inserting fit with the clamping groove.
Preferably, the number of the clamping grooves is four, and the four clamping grooves are uniformly distributed in the circumferential direction.
Preferably, the number of the female screw holes and the number of the bolts are three.
Preferably, the three internal thread holes are distributed at positions of 150 °, 150 ° and 60 ° in the circumferential direction.
Preferably, the clamping groove is a U-shaped groove.
Preferably, the seal retainer is provided with the internal threaded hole near the edge of the roller ring.
Preferably, the bolt is an M12 hexagon socket head cap screw, and the circumferential width of the clamping groove is 12mm.
The utility model discloses a locking take-off of sealed holder device's beneficial effect lies in: when the sealing retainer is installed, the sealing retainer is rotated to be fixed by one hand through a light wrench, then the sealing retainer is rotated to enable an internal thread hole in the sealing retainer to be aligned to a clamping groove in the taper sleeve, the bolt is installed into the internal thread hole until the bolt is matched with the clamping groove in an inserting mode, and the bolt is screwed down. The utility model discloses can show the probability that reduces sealed holder pine and take off.
Drawings
FIG. 1 is an exploded perspective view of a retainer locking device according to an embodiment of the present invention;
fig. 2 is an end view of the seal holder release prevention device according to the embodiment of the present invention.
The component names and designations in the drawings are as follows:
the roller shaft 1, the seal retainer 2, the internal thread hole 21, the taper sleeve 3, the clamping groove 31 and the roller ring 4.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is an exploded perspective view of a seal holder loosening prevention device according to an embodiment of the present invention. As shown in fig. 1, the embodiment discloses a seal retainer anti-loosening device, which comprises a roll shaft 1, a seal retainer 2, a taper sleeve 3, a roll collar 4 and a bolt; the roller shaft 1 extends in the axial direction, and the seal holder 2, the taper sleeve 3, and the roller ring 4 are all annular members. Two sides of the sealing retainer 2 are provided with annular grooves;
the sealing retainer 2 is sleeved on the roll shaft 1; the taper sleeve 3 is sleeved on the roll shaft 1, and the roll collar 4 is sleeved on the taper sleeve 3; the end part of the taper sleeve 3 facing the sealing retainer 2 is positioned outside the roller ring 4, and the end part of the taper sleeve 3 extends into the annular groove of the sealing retainer 2;
the outer periphery of the end of the taper sleeve 3 is provided with a clamping groove 31, the seal holder 2 is provided with a radially extending internal threaded hole 21 which is opposite to the clamping groove 31 in the radial direction, and the bolt is configured to be installed in the internal threaded hole 21 until the bolt is in inserted fit with the clamping groove 31.
When the sealing retainer 2 is installed, the sealing retainer 2 is rotated to be fixed by a single hand through a light wrench, then the sealing retainer 2 is rotated to enable an internal thread hole 21 on the sealing retainer 2 to be aligned to a clamping groove 31 on the taper sleeve 3, the bolt is installed into the internal thread hole 21 until the bolt is in plug-in fit with the clamping groove 31, and the bolt is screwed down.
In the embodiment, when the sealing retainer 2 is installed, only one person is needed to operate, so that the labor intensity of workers is reduced.
In the practical application process, the roller shaft seal retainer of the 2# line reducing and sizing unit in one workshop of a rod and line factory does not have the over-loosening fault in 6 months by using the fastening mode, so that the spare part loss caused by the fault is reduced, and the generation of batch defective products is prevented.
Preferably, the slot 31 is a U-shaped slot.
Preferably, the seal holder 2 is provided with an internally threaded bore 21 near the edge of the roller ring 4. Correspondingly, the bolt is an M12 hexagon socket head cap screw, and the circumferential width of the clamping groove 31 is 12mm. In other embodiments, the size of the internally threaded bore 21 and the hexagon socket head cap screw may be selected as desired.
The seal holder 2 in fig. 1 is spaced from the cone 3 to show the configuration of the cone 3. After normal assembly, the seal retainer 2 and the taper sleeve 3 are in a fit state in the axial direction of the roller shaft 1, so that the distance between the internal thread hole 21 and the clamping groove 31 is close enough, and a bolt installed in the internal thread hole 21 can be clamped into the clamping groove 31.
Example two
Fig. 1 is an exploded perspective view of a seal retainer release preventing device according to an embodiment of the present invention. Fig. 2 is an end view of the locking device of the seal holder according to the embodiment of the present invention.
As shown in fig. 1 and fig. 2, the embodiment discloses a seal retainer loosening prevention device, which comprises a roll shaft 1, a seal retainer 2, a taper sleeve 3, a roll collar 4 and a bolt;
the sealing retainer 2 is sleeved on the roll shaft 1; the taper sleeve 3 is sleeved on the roll shaft 1, and the roll collar 4 is sleeved on the taper sleeve 3; the end part of the taper sleeve 3 facing the sealing retainer 2 is positioned outside the roller ring 4, and the end part of the taper sleeve 3 extends into the annular groove of the sealing retainer 2;
the outer periphery of the end of the taper sleeve 3 is provided with a clamping groove 31, the seal holder 2 is provided with a radially extending internal threaded hole 21 which is opposite to the clamping groove 31 in the radial direction, and the bolt is configured to be installed in the internal threaded hole 21 until the bolt is in inserted fit with the clamping groove 31.
When installing sealed holder 2, rotate sealed holder 2 to when singlehanded not can screw up with light spanner, rotatory again makes an internal thread hole 21 on the sealed holder 2 aim at a draw-in groove 31 on the taper sleeve 3, installs this internal thread hole 21 with the bolt into, until the bolt and this draw-in groove 31 grafting cooperation, tighten the bolt.
In the embodiment, when the sealing retainer 2 is installed, only one person is needed to operate, so that the labor intensity of workers is reduced.
In the practical application process, the roller shaft seal retainer of the 2# line reducing and sizing unit in one workshop of a rod and line factory does not have the over-loosening fault in 6 months by using the fastening mode, so that the spare part loss caused by the fault is reduced, and the generation of batch defective products is prevented.
As shown in fig. 2, the number of the slots 31 is preferably four, and the four slots 31 are uniformly distributed in the circumferential direction. Preferably, the number of the female screw holes 21 and the number of the bolts are three. Preferably, the three female screw holes 21 are distributed at positions of 150 °, and 60 ° in the circumferential direction. The advantage of this arrangement is that when installing the seal holder 2, the seal holder 2 is rotated to a state where it is not screwed by a single hand with a light wrench, and then rotated by an appropriate angle as required, so that one of the internal thread holes 21 is radially aligned with one of the engaging grooves 31. It is not easy to continue the rotation until one female screw hole 21 is radially aligned with one card slot 31. For example, when the seal holder 2 is installed, the seal holder 2 is rotated by a light wrench until the seal holder is not screwed by one hand, and then the seal holder is rotated by 30 degrees, so that one internal thread hole 21 and one clamping groove 31 are aligned radially, and the operation is convenient.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements, and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. The anti-loosening device for the sealing retainer is characterized by comprising a roll shaft (1), the sealing retainer (2), a taper sleeve (3), a roll collar (4) and a bolt;
the sealing retainer (2) is sleeved on the roll shaft (1); the taper sleeve (3) is sleeved on the roll shaft (1), and the roll collar (4) is sleeved on the taper sleeve (3); the end part of the taper sleeve (3) facing the sealing retainer (2) is positioned outside the roller ring (4), and the end part of the taper sleeve (3) extends into an annular groove of the sealing retainer (2);
the outer periphery of the end part of the taper sleeve (3) is provided with a clamping groove (31), the seal retainer (2) is provided with a radially extending internal threaded hole (21) which is opposite to the clamping groove (31) in the radial direction, and the bolt is configured to be installed into the internal threaded hole (21) until the bolt is in inserted fit with the clamping groove (31).
2. The seal holder release prevention device according to claim 1, characterized in that: the number of the clamping grooves (31) is four, and the four clamping grooves (31) are evenly distributed in the circumferential direction.
3. The seal holder release prevention device according to claim 2, characterized in that: the number of the internal thread holes (21) and the number of the bolts are three.
4. The seal holder release prevention device according to claim 3, characterized in that: the three internal thread holes (21) are distributed according to the positions of 150 degrees, 150 degrees and 60 degrees in the circumferential direction.
5. The seal holder release prevention device according to claim 1, characterized in that: the clamping groove (31) is a U-shaped groove.
6. The seal holder release prevention device according to claim 1, characterized in that: the edge of the sealing retainer (2) close to the roller ring (4) is provided with the internal thread hole (21).
7. The seal holder release preventing device according to claim 1, wherein: the bolt is an M12 hexagon socket head cap screw, and the circumferential width of the clamping groove (31) is 12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222438673.8U CN218440284U (en) | 2022-09-14 | 2022-09-14 | Anti-loosening device for sealing retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222438673.8U CN218440284U (en) | 2022-09-14 | 2022-09-14 | Anti-loosening device for sealing retainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218440284U true CN218440284U (en) | 2023-02-03 |
Family
ID=85103961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222438673.8U Active CN218440284U (en) | 2022-09-14 | 2022-09-14 | Anti-loosening device for sealing retainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218440284U (en) |
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2022
- 2022-09-14 CN CN202222438673.8U patent/CN218440284U/en active Active
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